With Cyber Monday’s retail sales estimated to be the biggest online shopping day in history with retail sales in excess of $1.5 billion, alternative rock acts have jumped on board the 24 hour sale, discounting albums, tour merchandise, even booty shorts.

Muse and The Killers want you to beat the clock today with a decreasing discount as the day marches on. From coffee mugs and t-shirts to booty shorts, yes Muse booty shorts, the band’s official online stores began at 12:01 am with all merchandise discounted 30% off ending at 10% tonight at 11:59PM EST.

The Offspring have offered a 50% discount on all orders over $100 made at offspring.com. The offer expires at midnight.

Among Metallica’s offerings, their Lady Justice zippered hoodie is now only $19.99 and you can wrap it up using their “Flaming Skull” wrapping paper for $18.99 via Metallica.com.

With the purchase of a Top of the World CD, Slightly Stoopid fans will receive 20% off any apparel item in their official online store.

Jack White’s Third Man Records celebrates the opening of The Vault novelty shop and Cyber Monday all day today with 40% off all T-Shirts with sales on novelty items extended from Black Friday. Customers will receive a free White Stripes USB with every order made today.

In addition to apparel and novelties, music fans will find many of this year’s biggest selling rock albums on sale through Amazon, Target and Walmart websites. Here are just a few deals to be had today and today only.